Battery taking too long to charge - Nexus 7 Q&A, Help & Troubleshooting

Ok, so at one point, my Nexus 7 started taking about 9 hours to fully charge using the stock charger and usb cable. I thought my charger was dead so I bought a 2.1 amp amazon basics charger with a 6 foot amazon basics usb cable. It still takes hours to charge. I read online that there was a bug with Android 4.2 and charging. The reason this CANT be a hardware issue, is because it happoned out of the blue. Didn't drop it, didn't jerk the cable or bend it in the inside or anything. So what's going on? Please help!
Thanks in advance!
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Keep the Power box they gave you and by like a tablet USB cable
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---------- Post added at 06:49 AM ---------- Previous post was at 06:45 AM ----------
If its broke order another from Asus and get another nexus 7 USB also try Franco kernel or a different rom. Franco kernel charges very fast.
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Ive tried 2 different roms. Aocp and prime vanir. Both have the problem. I did buy a new charger. Same problem.
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Related

Nexus 7 not charging [SOLVED]

Yesterday I noticed that my Nexus 7 started charging really slowly and sometimes not charging at all, for example if I'm using it while charging it used to be that the battery percentage would go up and now if I'm using it while charging it goes down, and they charged it the whole night with the screen off and in the morning I only had 49 percent, and I have no other two and charger so I can't really test it with another charger, but if the charger was broken why with charge at all , does anyone have any idea what this might be?
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Plz help.... Is it my charging port or my charger?
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aryehzev said:
Plz help.... Is it my charging port or my charger?
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Click to expand...
Click to collapse
Have you tried charging through usb to pc? thats another way to check.
A new oem charger (21$) solved the porblem
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Charging Flicker On/Off then Sudden Power Loss, Just a Fluke?

I was charging the phone via the wallport adapter starting around 14%. A few minutes in the charge indicator/icon flicker on and off and I get all these "Low Power" warning spam.
I try to change cables but the phone power level just dropped from about 13% to 0% in less than a minute. After plugging in a different cable the phone is charging fine now.
What exactly happened? My friend mentioned the cable might be damage and something short circuited. Should I be concern about damages to the battery?
Comments are appreciated,
Thank you
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Sounds like your previous charging cable broke.
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I take it you were using the stock charger. It's junk. I replaced mine a few months ago and haven't had an issue.
Sent from my Nexus 4 using xda app-developers app
Interesting, which adapter are yer using now?
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I had the same problem except my battery percentage never went to 0. The charging would flicker on/off then the battery percentage would slowly go down/stay the same/or charge extremely slowly. I switched to a different charger and haven't had a problem since. The LG one is bad. I'm using the stock LG cable with the new charger now.

What Wireless charger are you using?

I am currently using the LG one (WCP-300) but I want to get a new charger because I also use it for my Nexus 4.
I am currently using the S4 Qi charger, but would love something better suited. It can be annoying to position the tablet right on mine. Can't wait to hear other input either.
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I use the "official" nexus charger from Google, cus my 7 is the only qi device I have... Otherwise, I would want something bigger I think, to charge multiple devices. I love it though, its a great stand, sometimes I use it as just a stand (without being plugged in) when I'm on my computer as well
Energizer Qi-Enabled 3 position chargger. Charges my N4 and N7 simultaneously. I highly recommend it.
stevemw said:
Energizer Qi-Enabled 3 position chargger. Charges my N4 and N7 simultaneously. I highly recommend it.
Click to expand...
Click to collapse
This one?
http://www.energizer.com/portable-power/wireless-chargers/qi-wireless/Pages/single-charger.aspx
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12 volt charger?
Are any of the wireless chargers able to run off a 12v cigarette lighter socket?
I want to mount my Nexus 7 in my car but don't want to have to plug in/unplug the micro USB cable everytime.
swisstourist said:
This one?
http://www.energizer.com/portable-power/wireless-chargers/qi-wireless/Pages/single-charger.aspx
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Click to collapse
That's the single position charger, I have the 2-position version and it charges my S3 and N7 at once with no issues. I could do without the silver logo and trim though...
How long it takes to charge?
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I got the S4 during the promo sale. It is the first QI charger I've gotten. It works fine with the N7, but I would have to get something else if I needed to charge more than one thing at a time.
swisstourist said:
This one?
http://www.energizer.com/portable-power/wireless-chargers/qi-wireless/Pages/single-charger.aspx It says three positions but one is a USB connector.
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Click to expand...
Click to collapse
This one wasn't available at the time I got my Nexus 4 in November. I have the dual-charger model: http://www.energizer.com/portable-power/wireless-chargers/qi-wireless/Pages/dual-charger.aspx
---------- Post added at 11:07 AM ---------- Previous post was at 11:06 AM ----------
swisstourist said:
How long it takes to charge?
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Click to collapse
Approximately 2-3 hours from 4% to 100%. I usually do not watch and take the phone off when the charging light is off.
I got the Samsung Charger when it was on sale for $25. Works great.
I'm using this one from Amazon -
http://www.amazon.com/Koolpad-Wirel...76061273&sr=8-19&keywords=wireless+qi+charger
I picked it up for either 35 or 39 but it's a bit more exp. now. Works really well, and will beep at you if your device isn't on the pad correctly.
stevemw said:
This one wasn't available at the time I got my Nexus 4 in November. I have the dual-charger model: http://www.energizer.com/portable-power/wireless-chargers/qi-wireless/Pages/dual-charger.aspx
---------- Post added at 11:07 AM ---------- Previous post was at 11:06 AM ----------
Approximately 2-3 hours from 4% to 100%. I usually do not watch and take the phone off when the charging light is off.
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Click to collapse
Not your phone... The tablet....
How long it takes to charge the nexus 7?
Nokia DT-900 Wireless Charging Plate and Samsung Qi charger
swisstourist said:
Not your phone... The tablet....
How long it takes to charge the nexus 7?
Click to expand...
Click to collapse
That is the tablet. The phone charges in under 2 hours.
Do they ship a Qi charger with Nexus or do i have to buy it separately?
Kumczak said:
Do they ship a Qi charger with Nexus or do i have to buy it separately?
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Click to collapse
The charger you need to buy separate.
The charging plate is built into the back of the tablet.
sfhub said:
The charger you need to buy separate.
The charging plate is built into the back of the tablet.
Click to expand...
Click to collapse
Thanks for the info. Is there any difference in the charging time between wired charger and wireless one?
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Kumczak said:
Thanks for the info. Is there any difference in the charging time between wired charger and wireless one?
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Click to expand...
Click to collapse
Yes, qi charging is not as efficient as straight cord.
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keynith said:
Yes, qi charging is not as efficient as straight cord.
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Click to expand...
Click to collapse
Way too general without some data to back it up. I know my qi charges faster than USB to PC. I strongly suspect my Panasonic TM-101 (12V, 1 amp) charges faster than the 5V, 1.3 amp charger that comes with the Nexus 7 (2013). Someone more interested than me can test it.
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[Q] Power adapter and Nexus 2012/2013

Does anyone know if the power adapter from a Nexus 7 2012 can be safely used with a Nexus 7 2013?
Thanks.
I asked the same question and was told it was safe. Have been doing so for about 10 days.
I plug my nexus into any USB port or USB charger I have, is that a bad thing?
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Not likely to hurt the Nexus, but might overheat the charger if the tablet needs more current than the adapter can provide....
I have to say, it's a very nicely made charger. Feels a lot like the back of the Nexus 7 itself. (And I bet Asus are charging a price for it not too far off the Nexus itself, too.)

[Q] Qi charger not working

http://www.ebay.com/itm/390654640514?var=660160473095&ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
I have just received the above charger.
But when ever i put the Nexus 4 (Android 4.4.2) on the pad, the charging bolt goes on and off every 5 seconds. eventually the phone is not charging. Anyone else facing or faced this kind of problem? Anyone can help me out?
Hi,
I also ordered this charger some time ago (looks nearly identical to the original one).
With Nexus 4 I had no success charging.
First the phone always slips down after some minutes. When fixing it a bit, green light of charger was ok, phone also recognizes the charger with a sound. It also displays "charging" but does not really do so. So if placed for some hour, there was still the same percentage or less in the phone display.
On the other side, I gave the charger to a friend who owns a Nexus 7 , and he says that the tablet was fully charged.
I also got this chgr few days ago and greatly disappointed. I downloaded an ap sometime ago that was supposed to help with wireless chgring. It does. I found it on here. But for life of me can't find it again. Search for wireless charging app? On xda
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IF IVE HELPED PLEASE HIT THANKS
---------- Post added at 06:45 PM ---------- Previous post was at 06:27 PM ----------
Here you go. This works for me.
http://forum.xda-developers.com/showthread.php?t=2156397
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IF IVE HELPED PLEASE HIT THANKS
---------- Post added at 06:46 PM ---------- Previous post was at 06:45 PM ----------
On page 2 if using xda app
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IF IVE HELPED PLEASE HIT THANKS

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